Predicted to enable CD4 receptor binding activity; enzyme binding activity; and phospholipid scramblase activity. Acts upstream of or within cellular response to lipopolysaccharide. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. Is expressed in esophagus. Orthologous to human PLSCR4 (phospholipid scramblase 4). [provided by Alliance of Genome Resources, Apr 2022]